Answer:
-21
Step-by-step explanation:
the y intercept is when x=0.
you can see that this is a linear equation where each increase in x results in an increase of 4 onto the y value.
so if when x=1, y=-17, subtract 4 to find what y equals when x is 0.
-17 -4=-21
good luck :)
Answer:
10 is 10 times as many as 10
Step-by-step explanation:
Answer:
Replace
F
(
x
)
with
y
.
y
=
9
x
Interchange the variables.
x
=
9
y
Solve for
y
.
Tap for more steps...
y
=
x
9
Solve for
y
and replace with
F
−
1
(
x
)
.
Tap for more steps...
F
−
1
(
x
)
=
x
9
Step-by-step explanation:
Answer:
The first one is not a function
The second is a function
Third not a function
Fourth is a function
Step-by-step explanation: